ITextUndoTransaction Interface

Represents a container for ITextUndoPrimitive objects.

Namespace:  Microsoft.VisualStudio.Text.Operations
Assembly:  Microsoft.VisualStudio.Text.Logic (in Microsoft.VisualStudio.Text.Logic.dll)

Syntax

'宣告
Public Interface ITextUndoTransaction _
    Inherits IDisposable

public interface ITextUndoTransaction : IDisposable

public interface class ITextUndoTransaction : IDisposable

type ITextUndoTransaction =  
    interface
        interface IDisposable
    end

public interface ITextUndoTransaction extends IDisposable

The ITextUndoTransaction type exposes the following members.

Properties

	Name	Description
	CanRedo	Determines whether it is currently possible to call Do successfully.
	CanUndo	Determines whether it is currently possible to call Undo() successfully.
	Description	Gets or sets the description.
	History	Gets the ITextUndoHistory that contains this transaction.
	MergePolicy	Gets the IMergeTextUndoTransactionPolicy associated with this transaction.
	Parent	Gets the ITextUndoTransaction that contains this transaction.
	State	Gets the UndoTransactionState for the ITextUndoTransaction.
	UndoPrimitives	Gets the collection of ITextUndoPrimitive objects in this container.

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Methods

	Name	Description
	AddUndo	Adds a new undo primitive to the end of the list when the transaction is open.
	Cancel	Marks an open transaction as canceled, and undoes and clears any undo primitives that have been added.
	Complete	Marks the transaction as finished and eligible for undo.
	Dispose	Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources. (Inherited from IDisposable.)
	Do	Performs a do or redo.
	Undo	Performs an undo or rollback.

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Remarks

These objects are tracked in an UndoHistory.

See Also

Reference

Microsoft.VisualStudio.Text.Operations Namespace